GMC Sierra 3500 HD (3rd gen, 2015–2019) — choose year
GMC Sierra 3500 HD 3rd gen — choose a year for specs, official downloads, and everyday maintenance how-tos.
2015
2015 GMC Sierra 3500 HD (3rd gen) — your manual, maintenance jobs, and shopping shortcuts.
2016
2016 GMC Sierra 3500 HD (3rd gen) — your manual, maintenance jobs, and shopping shortcuts.
2017
2017 GMC Sierra 3500 HD (3rd gen) — your manual, maintenance jobs, and shopping shortcuts.
2018
2018 GMC Sierra 3500 HD (3rd gen) — your manual, maintenance jobs, and shopping shortcuts.
2019
2019 GMC Sierra 3500 HD (3rd gen) — your manual, maintenance jobs, and shopping shortcuts.